The thermostat and hygrostat are used to maintain temperature and humidity in electrical cabinets by controlling actuators, such as air heaters, cooling devices, filter fans, heat exchangers, as well as to signal temperature and humidity limit values.
Thermostats with a normally closed electrical circuit and a normally open electrical circuit are thermostats that control the operation of ventilation and heat exchange systems, and also include a warning system when the permissible temperature regime is exceeded.
An electric controller that allows you to control the humidity of the air by turning on / off fan panels, electric heaters or air conditioning equipment.